Replace part on rear bumper?

OK, so we reversed into a low bollard and have scraped up the rounded sticking out bit of the rear bumper. <span style="font-size: 13.3333px;"> It looks as if it is separate to the main rear side but w</span>ould it be a needle in a haystack job to try and source another? Does it detach easily or at all? Or should I get it touched up?<div><br></div><div>Before and after photos attached</div>